Flashing ring



Dec. 1. 1931. J. BROPSON FLASHING RING Filed June 19. 1928 2 Sheets-Sheet l a all! Dec. 1, 1931. J BRQPSQN FLASHING RING Filed June 19. 1928 2 Sheets-Sheet 2 Patented Dec. 1, 1931 UNETED vSTATES PATENT OFFICE JAMES BROPSON, OF CLEVELAND, OHIO, ASSIGNOR OF ONE-HALF TO JAMES J. BROPSON,

' OF CLEVELAND, .OHIO

FLASHING RING Application filed June 19,

This invention relates to roof flashings and has particular reference to a novel and 1mproved type of flashing such as commonly used on" soil or vent pipes which pro ect through the roof of a building.

The usual practice is to provide a suitable flashing ring to surround the pipe which projects through the roof, and then seal the joint between the ring and pipe by tamping oakum or similar material therein, after which molten lead is applied to the joint. This practice involves considerable time and labor, as the joint must first be caullred to prevent the hot lead from passing through the joint and then the lead must be melted and carefully poured in the space between the pipe and flashing ring.

The primary object of the present invention is to providea roof flashing which shall he formed with a lead collar securely attached to the flashing ring so that when installing the same, it shall be necessary mere ly'to tamp the lead collar into engagement with the pipe to insurea water proof joint. In this inanner the steps of caulking with oalrum and the application of molten metal to the joint are eliminated during the installation'of the flashing ring.

Another object is to provide a roof flashing: of the aforesaid character which shall have the usual lead plate that seats on the surfaceof the roof permanently attached thereto in a. novel manner so that a water tight joint is formed without the application of molten metal during the installation of the flashing ring.

A still further object is to provide a device of the aforesaid character which shall be simple in construction, andinexpensive to manufacture, and which may be easily and quickly installed to provide a water tight joint.

With these and other objects in view, the invention may be stated to consist in the various novel features of construction and arrangement or combination, all of which will be fully described hereinafter and pointed out'in the appended claims.

In the drawings accompanying and formingipart of this application, Fig. 1 is a top 1928. Serial No. 286,690.

plan view of a roof flashing constructed in accordance with my invention, but with the lead collar removed:

Fig. 2 is a vertical sectional View showing the leadcoliar in place, but prior to tamping;

Fig. 3 is a detail sectional view showing the collar tam-pod into sealing engagement with the pipe;

Fig. 4 is a top plan View of a modified form of flashing;

Fig. 5 is a vertical sectional view through such modified form and showing the lead collar prior to tamping; and

Fig. 6 is a fragmentary vertical sectional view through a still further modified form of flashing ring.

Describing the various parts by reference characters and referring particularly to Figs. 1-3 inclusive, 1 denotes generally a flashing sleeve which is preferably in the form of an iron casting. This sleeve is formed with a base 2 having lateral projections 3, for a purpose to be referred to hereinafter, and diametrically disposed lugs 4: that are adapted to receive bolts 5 or other suitable fastening means to secure the flashing sleeve in position on the roof. A groove 6 is formed in the upper surface of the base 2 and receives therein the edges of a sheet lead plate 7 that overlies the projections '3 and lugs 4 and forms a water tight oint between the base 2 and the roof. The edges of the lead, defining an elliptical aperture in the plate, are secured in the groove 6 by pouring molten lead 8 therein or by tamping a lead ring in place therein. As shown in Fig. 2, the groove 6 is preferably undercut so that in cross section said groove is dovetail in shape, and thus the edges of the sheet lead are prevented from pulling out even if the lead 8 should become loose for any reason.

The upper annular portion 9 of the sleeve is formed with an inwardly directed shoulder 10 having a plurality of notches 11 formed therein. Suitable side walls 12 interconnect the base 2 with the upper portion 9 of the sleeve. The notched shoulder 10 serves as an interlock for a lead collar 13 which is preferably molded in position be tween the inner surface of said ring and the outer surface of said pipe, and as shown in Fig. 2, this lead collar extends over and lies fiat upon the upper edge of the cast iron sleeve and upwardly a considerable dlstance. The inner surface of the collaris cylindrical and of a diameter somewhat greater than the pipe 14 that is adapted to extend therethrough, while the outer surface of said col laris tapered upwardly as indicated at 15.

In practice a'unit structure, consisting of the cast iron sleeve withlead collar 18, mold ed in position and with the sheet lead'plate 7 attached in the manner described above "is manufactured and's'oldto the trade. This type of flashing is particularly useful where it is necessary to position the flashing on the roof before the vent pipe 14: has'been installed. An aperture 16 is cut in theroof at V the desired location and the sleevefis bolted to the roof over theaperture, the projections 3 serving to support the sleevein casethe aperture has been out too large for the base ring to rest on the roof along its entiresurface; The lead plate 7 is flattened on the roof and the roofers may then proceed tolay the shingles or other; roofing material over the lead plate. When the plumbmg operations have reached a stage-where the soil or ventv pipe isto be installed, this pipe is inserted through the flashing ring from-the inside-of the building, after which the upwardly projecting portion 15 of the lead collar'is tamped into engagement with thepipe as shown in Fig. 0. In View of the interlock between the lead collar and cast iron-sleeve, this tamping operation may be easily carried out without loosening the seal between these two elementsfand at. the same time a water tight jointis provided about the pipe. In this manner, the use of molten metal and caulking with oakum is completely eliminated during the installation of the flashing, andhence considerabletime and labor. is saved.-- 1 In Figs.4 and 5 I have illustrated amodiliedform of flashing andparticularly in con- 'n ec tion with" the manner: of attaching the lead plate 7 f to the base of the cast iron sleeve. In this instance the'wall 12? 'extendsbelow the planeof the base 2 as indicated. at 16, and engages. the roof to supportthe sleeve therein. Also the under side of the base 2 is formed .with an annular groove 6 which in crosssection is dovetail in shape. The;

hence needs no further description.

through the lead plate 7 The upper portion of the sleeve is identical with that described in connection with Figs; 1-3 incluslve and This type of flashing is useful where the soil pipe has been positioned through the roof and the flashing is to be applied thereto before the roof has been laid. In this instance also, the

- lead collar lifiand lead plate 7 are affixed to the cast iron sleeve during the course of manufacture thereof so that the steps of I caulking with oakum and heating and pouring of molten metal are elimlnated durmg the installation ofthe flashing.

In Fig-'16 I have illustrated a still further modification of flashing ring wherein 18 denotes a cast iron sleeve or ring having a slightly rounded exterior surface. and an undercut inner surface. A lea-d plate 7 extends ovcr thenpper edge-ofthe ringand is deflected overand against the undercut surface of the cast iron ring. A'lead collar 13 is then molded over the sheet lead plate and is formed with an upstanding portion 15*. This t nee-f flashin is useful wherethe angle of yr e the roof cannot be accommodatedwith the type of fiashingfpreviously described. The upstanding lead collar is caulked as previously explained in connection withFigs. 15 inclusive. The cast iron ring 18 is also provided with radially projecting lugs 19 which are adapted to engage the roof andsupport the flashing where the aperture in the roof has been cut larger than the ring,

\Vhat I clann is: v

1. A roof flashing comp -ising a ring adapted to seat upon the roof and surround. a pipe projecting through said roof, and a soft 'metal collarpermanently connected with said ring and adapted to fill the'intervening space between the inner surface of sand ring and the outer surface 'of-said pipe,said soft metal collar extending over and lying flat upon the upper edge of said ring, and being tapered upwardly therefrom, whereby said soft metal collar is adapted to be tamped into engagement with said pipe to form'a weather tightjoint between said ring and pipe.

2A roof flashing comprising a rigid cast metal ring adapted to seat upon the roof and surround a pipe proj ecting through said roof, and a soft metal collar permanently connected with the interior surface of said ring, the metal of said collar being interlocked with the-metal of said ring, said collar extending over and lying flat upon the upper edge of said ring and being tapered upwardly therefrom, whereby said soft metal collar is adapted to be tamped into engagement with said pipe to form a weathertight joint between said ring and pipe.

3. A roof flashing comprising a'rigid cast metal ring adapted to seat upon the roof and surround a pipe projecting through said roof, :1 soft metal'collar permanently connected with the inner surface of said ring and extending over and lying flat upon the upper edge of said ring, and being tapered upwardly therefrom whereby said collar is adapted to be tamped into engagement with said pipe to form a weather tight joint between said ring'and pipe, and a soft flexible metal plate permanently connected with said ring and adapted to engage the surface of the roof to form a weather tight joint between said roof and ring. I 4;. A roof flashing comprising a rigid cast iron ring adapted to seat upon the roof and surround a pipe projecting through said roof, and a lead collar and a lead plate each permanently connected to said cast iron ring, said collar being attached to the inner surface of said ring and extending over and lying flat upon'the upper edge of said ring andbeing tapered upwardly therefrom whereby said collar is adapted to be tamped into engagement with said pipe to form a weather tight joint therewith, and said plate being adapted to form a weather tight joint between said roof and ring.

5. A roof flashing comprising a rigid cast metal ring adapted to seat upon the roof and surround a pipe projecting through said roof, said ring being formed with an inwardly extending shoulder having a plurality of notches therein, and a soft metal collar permanently connected with said ring, and filling the intervening space between the inner surface of said ring and the outer surface of said pipe, and seated on said shoulder and extending over and lying flat upon the upper edge of said ring, while being tapered thereabove, the metal of said collar being interlocked with the notches in said shoulder, the portion of said collar extending above said ring being adapted to be talnped into engagement with said pipe to form a weather-tight joint between said ring and pipe.

In testimony whereof I afiix my signature.

JAMES BROPSON. 

